Island



(No Model.)

B. A. SGHOLPIELD. SELF THREADING LOOM SHUTTLE.

No. 405,746. Patented June 25, 1889.

mmy

WI'IN 55555.

IN\/ ENTDFK UNITED STATES PATENT OFFICE.

EDWVIN A. SCHOLFIELD, OF IVESTERLY, RHODE ISLAND.

SELF-TH READING LOOM-SHUTTLE.

SPECIFICATION forming part of Letters Batent No. 405,746, dated June 25,1889.

Application filed January 24, 1888. fierial No. 261,778. (No model.)

To all whom it may concern.-

Be it known that I, EDWIN A. SCHOLFIELD, a citizen of the United States,residing at Vesterly, in the county of \Vashington and State of RhodeIsland, have invented a new and useful Improvement in Self-ThreadingLoom- Shuttles, of which the following is a specification.

My invention consists in the improved combination of self-threading andtension devices for loom-shuttles, as hereinafter fully set forth.

Figure 1 is a top View of a loom-shuttle provided with my improvement.Fig. 2 is a partial detail section taken in the line m as of Fig. 1.Fig. 3 is a transverse section taken in the line 0 0 of Fig. 1-. Fig. Iis a detail side View showing the thread-delivering eye of the shuttleand the slit by means of which the shuttle is threaded.

In the accompanying drawings, A is the wooden frame of the shuttle, andB the spindle upon which the cop or bobbin is to be placed. The emtl ofthe shuttle in advance of the end of the spindle B is provided with arecess a, made from the upper side of the shuttle, and within which isplaced the hook b, the said hook being preferably made of wire bent toform an eye 0, adapted to receive the screw d, by means of which thesaid hook is secured to the bottom of the recess a, as shown in Fig. 2.The shuttle-frame A is cut away at 6 under the point f of the hook I),to allow the thread from a cop or bobbin upon the spindle B to bereadily passed under the point of the said hook. The delivering-eye g isarranged obliquely to the axis of the shuttle, as shown in Fig. 1, andis provided with a tubular bushing h, which may be made of any approvedmaterial, and from the top of the shuttle is made a slit 2', whichpasses down through the tubular bushing 71 into the deli vering-eye andconnects with the recess a, within which the hook I) is placed. Therecess a may in some cases be made to extend back to the point of thespindle B, as indicated by the parallel broken lines j j in Fig. 1, andin threading the shuttle the thread is brought forward from the cop orbobbin on the spindle B, and the bight of the. thread so brought forwardpassed under the point f of the hook, the end portion of the said threadbeing then passed downward through the slit 1' into the delivering-eyeg, and the whole operation of threading can be thus performed with greatrapidity and without letting go the end of the thread.

I also provide an improved tension device consisting of a ball 70 heldin a hollowed seat m at the end of a plug n, which plug is secured inaoavity 0 bored from the under side of the shuttle, and from the centralslot-opening 13, in which the spindle B is placed, to the recess aconnection may be made by means of a slit g, which is made at one sideof the axis of the plug 11 and center of the ball 70, whereby the threadwhen drawn forward through the slot (1 and passed out of thedelivering-eye Q will be surely drawn to the bottom of the tension-ballk, and be then held between the bottom of the said ball and the hollowedseat m, so that when the movement of the shuttle through the shed causesthe thread to be drawn from a cop or bobbin on the spindle B the saidthread will be drawn under the ball, and the weight of the said ballwill operate to produce a practically uniform tension upon the thread asit is drawn over the hollowed seat an under the said ball. The plug 41may be secured in its position by means of a pin 1* passing transverselyof the shuttle. I prefer to make the ball 7c of glass about the size ofan ordinary playing-marble; but any other suitable material can beemployed, and I make the plug n of Wood or other approved material.

I claim as my invention- The combination, with the tension-ball, thehollowed plug, and the forwardly-projecting hook, of the shuttle-bodyprovided with a slit for guidingthe threadbetween the tension-ball andits seat, and with the oblique slit which guides the thread to thedelivering-eye of the shuttle, substantially as described.

EDWIN A. SGHOLFIELD.

\Vitnesses:

SooEATEs ScHoLFIELn, JOHN S. LYNCH.

